KODE PROGRAM import java.io.*; import java.net.*; public class simpleClient { public final static int REMOTE_PORT = 5000; public static void main(String args[]) throws Exception { Socket cl = null; BufferedReader is = null; DataOutputStream os = null; BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in)); String userInput = null; String output = null; // Membuka koneksi ke server pada port REMOTE_PORT try { cl = new Socket(args[0], REMOTE_PORT); is = new BufferedReader(new InputStreamReader(cl.getInputStream())); os = new DataOutputStream(cl.getOutputStream()); } catch(UnknownHostException e1) { System.out.println("Unknown Host: " + e1); } catch (IOException e2) { System.out.println("Erorr io: " + e2); } // Menulis ke server try { System.out.print("Masukkan kata kunci: "); userInput = stdin.readLine(); os.writeBytes(userInput + "\n"); } catch (IOException ex) { ...